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Journal article
Effects of a single dose of a betalain-rich concentrate on determinants of running performance and recovery muscle blood flow: a randomized, triple-blind, placebo-controlled, crossover trial
European journal of applied physiology
24 Feb 2025
PMID: 39994008
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Abstract
This study aimed to examine the effects of a single dose of a betalain-rich concentrate (BRC) on determinants of running performance and recovery lactate clearance.
In this a randomized, triple-blind, placebo-controlled, crossover trial, 17 male recreational runners (Age: 19.0 ± 1.0 years; Height: 176.8 ± 6.2 cm; Weight: 70.62 ± 8.1 kg; Body fat: 12.8 ± 0.03%; VO
: 58.9 ± 8.6 ml/kg/min) consumed an acute dose of a BRC (100 mg) or a placebo (100 mg of dextrose; CON) and performed a running economy protocol (RE) at velocities corresponding to 60% and 80% of maximal oxygen consumption (VO
) followed by a VO
test. Both exercise and recovery skeletal muscle oxygenation (SmO
) were assessed via near-infrared spectroscopy (NIRS), and recovery lactate was obtained.
BRC resulted in lower heart rate (HR) at velocities corresponding to 80% of VO
(p = 0.05) and maximum HR (HR
; p = 0.01), and a lower rating of perceived exertion (RPE) at velocities corresponding to 60% of VO
(p = 0.02) when compared to CON. BRC also improved post-exercise SmO
at 3 (p = 0.05), 4 (p = 0.02), and 5 min (p = 0.01) but not lactate clearance (p > 0.05). BRC did not significantly improve RE or VO
(p > 0.05).
A single dose of BRC did not enhance RE or VO
. However, the observed improvements in exercise HR, RPE, and SmO₂ suggest that BRC may confer cardiovascular benefits for exercise and recovery.
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Details
- Title
- Effects of a single dose of a betalain-rich concentrate on determinants of running performance and recovery muscle blood flow: a randomized, triple-blind, placebo-controlled, crossover trial
- Creators
- Steven Vitti (Corresponding Author) - Drexel University, Health SciencesMichael Bruneau, Jr - Drexel UniversityLeah Bisgrove - SUNY BrockportSamuel Grey - SUNY BrockportSarah Levine - SUNY BrockportCraig Mattern - SUNY BrockportJustin Faller - SUNY Brockport
- Publication Details
- European journal of applied physiology
- Publisher
- Springer Nature
- Number of pages
- 8
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Health Sciences
- Web of Science ID
- WOS:001429176600001
- Scopus ID
- 2-s2.0-85218696954
- Other Identifier
- 991022030472304721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Physiology
- Sport Sciences